./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:11:46,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:11:46,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:11:46,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:11:46,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:11:46,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:11:46,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:11:46,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:11:46,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:11:46,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:11:46,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:11:46,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:11:46,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:11:46,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:11:46,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:11:46,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:11:46,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:11:46,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:11:46,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:11:46,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:11:46,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:11:46,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:11:46,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:11:46,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:11:46,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:11:46,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:11:46,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:11:46,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:11:46,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:11:46,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:11:46,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:11:46,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:11:46,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:11:46,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:11:46,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:11:46,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:11:46,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:11:46,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:11:46,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:11:46,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:11:46,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:11:46,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:11:46,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:11:46,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:11:46,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:11:46,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:11:46,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:11:46,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:11:46,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:11:46,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:11:46,965 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:11:46,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:11:46,967 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:11:46,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:11:46,968 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:11:46,968 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:11:46,968 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:11:46,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:11:46,969 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:11:46,969 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:11:46,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:11:46,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:11:46,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:11:46,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:11:46,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:11:46,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:11:46,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:11:46,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:11:46,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:11:46,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:11:46,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:11:46,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:11:46,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:11:46,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:11:46,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:11:46,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:11:46,974 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:11:46,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:11:46,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:11:46,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:11:46,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:11:46,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:11:46,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:11:46,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2022-11-16 16:11:47,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:11:47,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:11:47,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:11:47,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:11:47,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:11:47,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-16 16:11:47,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/data/787069317/dccc1a7c78614926ae3417f1628de67c/FLAGa7557f72f [2022-11-16 16:11:48,058 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:11:48,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-16 16:11:48,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/data/787069317/dccc1a7c78614926ae3417f1628de67c/FLAGa7557f72f [2022-11-16 16:11:48,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/data/787069317/dccc1a7c78614926ae3417f1628de67c [2022-11-16 16:11:48,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:11:48,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:11:48,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:11:48,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:11:48,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:11:48,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:11:48" (1/1) ... [2022-11-16 16:11:48,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6523efd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:48, skipping insertion in model container [2022-11-16 16:11:48,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:11:48" (1/1) ... [2022-11-16 16:11:48,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:11:48,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:11:49,005 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-16 16:11:49,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:11:49,183 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:11:49,216 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-16 16:11:49,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:11:49,312 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:11:49,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49 WrapperNode [2022-11-16 16:11:49,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:11:49,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:11:49,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:11:49,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:11:49,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,415 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-16 16:11:49,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:11:49,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:11:49,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:11:49,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:11:49,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:11:49,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:11:49,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:11:49,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:11:49,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (1/1) ... [2022-11-16 16:11:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:11:49,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:11:49,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:11:49,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:11:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:11:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 16:11:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 16:11:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:11:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 16:11:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 16:11:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:11:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:11:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:11:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:11:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:11:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:11:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:11:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:11:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:11:49,979 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:11:49,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:11:51,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:11:51,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:11:51,801 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-16 16:11:51,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:11:51 BoogieIcfgContainer [2022-11-16 16:11:51,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:11:51,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:11:51,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:11:51,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:11:51,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:11:48" (1/3) ... [2022-11-16 16:11:51,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d857a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:11:51, skipping insertion in model container [2022-11-16 16:11:51,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:11:49" (2/3) ... [2022-11-16 16:11:51,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d857a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:11:51, skipping insertion in model container [2022-11-16 16:11:51,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:11:51" (3/3) ... [2022-11-16 16:11:51,820 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2022-11-16 16:11:51,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:11:51,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:11:51,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:11:51,935 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f1043b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:11:51,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:11:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 16:11:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:11:51,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:11:51,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:11:51,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:11:51,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:11:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-16 16:11:51,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:11:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853267788] [2022-11-16 16:11:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:11:51,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:11:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:11:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:11:52,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:11:52,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853267788] [2022-11-16 16:11:52,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853267788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:11:52,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:11:52,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:11:52,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312599578] [2022-11-16 16:11:52,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:11:52,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:11:52,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:11:52,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:11:52,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:11:52,331 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:11:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:11:53,366 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-16 16:11:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:11:53,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 16:11:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:11:53,383 INFO L225 Difference]: With dead ends: 237 [2022-11-16 16:11:53,383 INFO L226 Difference]: Without dead ends: 128 [2022-11-16 16:11:53,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:11:53,390 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:11:53,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 16:11:53,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-16 16:11:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-16 16:11:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 16:11:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-16 16:11:53,467 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-16 16:11:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:11:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-16 16:11:53,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:11:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-16 16:11:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 16:11:53,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:11:53,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:11:53,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:11:53,471 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:11:53,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:11:53,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-16 16:11:53,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:11:53,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895733842] [2022-11-16 16:11:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:11:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:11:53,682 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:11:53,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177852515] [2022-11-16 16:11:53,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:11:53,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:11:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:11:53,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:11:53,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:11:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:11:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:11:54,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:11:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:11:54,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:11:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:11:54,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:11:54,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895733842] [2022-11-16 16:11:54,838 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:11:54,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177852515] [2022-11-16 16:11:54,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177852515] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:11:54,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [4026856] [2022-11-16 16:11:54,867 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-16 16:11:54,868 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:11:54,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:11:54,880 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:11:54,881 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:11:55,060 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 16:11:55,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-16 16:11:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:11:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:11:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:11:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,223 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 16:11:55,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-16 16:11:55,318 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 16:11:55,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 16:11:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 16:11:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:55,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 16:11:56,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:11:56,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:11:56,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:11:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 16:11:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:11:56,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-16 16:11:56,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:11:56,845 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:12:05,332 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:12:12,737 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:12:12,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [4026856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:12,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:12:12,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-16 16:12:12,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579380865] [2022-11-16 16:12:12,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:12,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:12:12,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:12,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:12:12,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 16:12:12,748 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:12:15,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:12:15,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:15,693 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-16 16:12:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 16:12:15,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-16 16:12:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:15,702 INFO L225 Difference]: With dead ends: 170 [2022-11-16 16:12:15,702 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 16:12:15,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 16:12:15,705 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 11 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:15,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 253 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 10 Unchecked, 2.9s Time] [2022-11-16 16:12:15,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 16:12:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-16 16:12:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 16:12:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-16 16:12:15,732 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-16 16:12:15,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:15,733 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-16 16:12:15,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:12:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-16 16:12:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 16:12:15,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:15,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:12:15,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:12:15,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 16:12:15,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-16 16:12:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:15,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399322165] [2022-11-16 16:12:15,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:15,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:16,046 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:12:16,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651887490] [2022-11-16 16:12:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:12:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:12:16,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:12:16,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:12:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:16,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:12:16,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:12:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 16:12:16,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:12:16,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 16:12:16,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:16,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399322165] [2022-11-16 16:12:16,868 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:12:16,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651887490] [2022-11-16 16:12:16,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651887490] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:12:16,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [172269619] [2022-11-16 16:12:16,877 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-16 16:12:16,878 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:12:16,878 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:12:16,879 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:12:16,879 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:12:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:16,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:12:16,985 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 16:12:16,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 16:12:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:12:17,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 16:12:17,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 16:12:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:12:17,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:12:17,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:12:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 16:12:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 16:12:17,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:12:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:12:17,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:12:17,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:12:17,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:17,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:12:17,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:12:17,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:12:17,995 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 16:12:17,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-16 16:12:18,093 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 16:12:18,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 16:12:19,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:12:19,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:12:19,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 16:12:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-16 16:12:19,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:12:19,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:12:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-16 16:12:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-16 16:12:19,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:12:19,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:12:19,832 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 16:12:19,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-16 16:12:19,931 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 16:12:19,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 16:12:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:12:20,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:12:20,152 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-16 16:12:20,280 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:12:26,882 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:12:34,080 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:12:44,379 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:12:59,680 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:13:12,438 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:13:13,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [172269619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:13:13,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:13:13,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-16 16:13:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805854591] [2022-11-16 16:13:13,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:13:13,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 16:13:13,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:13,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 16:13:13,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 16:13:13,425 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:13:16,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:13:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:16,385 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-16 16:13:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 16:13:16,391 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-16 16:13:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:16,392 INFO L225 Difference]: With dead ends: 175 [2022-11-16 16:13:16,392 INFO L226 Difference]: Without dead ends: 96 [2022-11-16 16:13:16,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 16:13:16,394 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:16,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 448 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 79 Unchecked, 2.9s Time] [2022-11-16 16:13:16,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-16 16:13:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-16 16:13:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 16:13:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-16 16:13:16,426 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-16 16:13:16,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:16,426 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-16 16:13:16,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:13:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-16 16:13:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 16:13:16,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:16,428 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:13:16,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:16,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:16,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-16 16:13:16,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604805039] [2022-11-16 16:13:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:16,702 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:13:16,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145957040] [2022-11-16 16:13:16,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:16,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:16,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:16,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:16,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6098837c-ce07-45af-bd88-5241420af1f6/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:13:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:17,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:13:17,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 16:13:17,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 16:13:17,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:17,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604805039] [2022-11-16 16:13:17,407 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:13:17,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145957040] [2022-11-16 16:13:17,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145957040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:17,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1367577602] [2022-11-16 16:13:17,411 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-16 16:13:17,411 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:17,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:17,412 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:17,413 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:17,490 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 16:13:17,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 16:13:17,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 16:13:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:13:17,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 16:13:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:13:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:13:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 16:13:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-16 16:13:18,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:13:18,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 16:13:18,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:13:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:13:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:13:18,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 16:13:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 16:13:18,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:13:18,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:13:18,508 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 16:13:18,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 16:13:18,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-16 16:13:18,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 16:13:18,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 16:13:18,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 16:13:18,738 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 16:13:18,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-16 16:13:18,776 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-16 16:13:18,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-16 16:13:18,812 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 16:13:18,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-16 16:13:18,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:13:18,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:13:18,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:13:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:18,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 16:13:18,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 16:13:18,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 16:13:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:13:19,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 16:13:19,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 16:13:19,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 16:13:21,542 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_main_~user~0#1.base| 1) [2022-11-16 16:13:22,095 INFO L217 Elim1Store]: Index analysis took 2558 ms [2022-11-16 16:13:24,356 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-16 16:13:24,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-16 16:13:25,500 INFO L217 Elim1Store]: Index analysis took 994 ms [2022-11-16 16:13:30,383 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-16 16:13:30,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-16 16:13:41,308 WARN L233 SmtUtils]: Spent 10.87s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:13:41,309 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 16:13:41,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-16 16:13:41,599 INFO L217 Elim1Store]: Index analysis took 174 ms [2022-11-16 16:14:09,656 WARN L233 SmtUtils]: Spent 28.05s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:14:09,657 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 16:14:09,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-16 16:14:10,647 INFO L217 Elim1Store]: Index analysis took 785 ms [2022-11-16 16:14:40,058 WARN L233 SmtUtils]: Spent 28.80s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:14:40,059 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-16 16:14:40,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-16 16:14:41,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:41,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-16 16:14:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:14:42,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:14:42,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-16 16:17:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:59,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-16 16:17:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:59,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-16 16:22:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:22:19,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-16 16:22:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:22:19,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11